diff options
| author | Alan Modra <amodra@gmail.com> | 2017-04-07 11:00:43 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2017-04-07 11:00:43 +0930 |
| commit | 2bdf7fc6e6a1c68847539cee4c93a472d55fa04e (patch) | |
| tree | d1afb3554a9fcda7950a7f54263aa60f09566acb | |
| parent | ba7865c179cff86d27af4758ffcb2d28b0fcc569 (diff) | |
| download | gcc-2bdf7fc6e6a1c68847539cee4c93a472d55fa04e.zip gcc-2bdf7fc6e6a1c68847539cee4c93a472d55fa04e.tar.gz gcc-2bdf7fc6e6a1c68847539cee4c93a472d55fa04e.tar.bz2 | |
[RS6000] Out-of-line register save functions can't be used from crtend.o
PR target/45053
* config/rs6000/t-crtstuff (CRTSTUFF_T_CFLAGS): Add -O2.
From-SVN: r246749
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/config/rs6000/t-crtstuff | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 87fea5b..427328d 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2017-04-07 Alan Modra <amodra@gmail.com> + + PR target/45053 + * config/rs6000/t-crtstuff (CRTSTUFF_T_CFLAGS): Add -O2. + 2017-04-03 Jonathan Wakely <jwakely@redhat.com> * config/c6x/pr-support.c (__gnu_unwind_execute): Fix typo in comment. diff --git a/libgcc/config/rs6000/t-crtstuff b/libgcc/config/rs6000/t-crtstuff index 7422d383..0b2601b 100644 --- a/libgcc/config/rs6000/t-crtstuff +++ b/libgcc/config/rs6000/t-crtstuff @@ -1,3 +1,6 @@ # If .sdata is enabled __CTOR_{LIST,END}__ go into .sdata instead of # .ctors. -CRTSTUFF_T_CFLAGS = -msdata=none +# Do not build crtend.o with -Os as that can result in references to +# out-of-line register save/restore functions, which may be unresolved +# as crtend.o is linked after libgcc.a. See PR45053. +CRTSTUFF_T_CFLAGS = -msdata=none -O2 |